docs: def load_subcommand(subparsers):
      """Load this subcommand
      """
      parser_analyze = subparsers.add_parser('analyze', help='Analyze uwsgi log to get report')
      parser_analyze.add_argument('-f', '--filepath', type=argparse.FileType('r'), dest='filepath',
                                  help='Path of uwsgi log file', required=True)
      parser_analyze.add_argument('--output', dest="output", type=argparse.FileType('w'), default=sys.stdout, 
                                  help='HTML report file path')
      parser_analyze.add_argument('--min-msecs', dest="min_msecs", type=int, default=200,
                                  help='Request serve time lower than this value will not be counted, default: 200')
      parser_analyze.add_argument('--domain', dest="domain", type=str, required=False,
                                  help='Make url in report become a hyper-link by settings a domain')
      parser_analyze.add_argument('--url-file', dest="url_file", type=argparse.FileType('r'), required=False, 
                                  help='Customized url rules in regular expression')
      parser_analyze.add_argument('--limit-url-groups', dest="limit_url_groups", type=int, required=False, 
                                  default=LIMIT_URL_GROUPS, help='Number of url groups considered, default: 200')
      parser_analyze.add_argument('--limit-per-url-group', dest="limit_per_url_group", type=int,
                                  required=False, default=LIMIT_PER_URL_GROUP,
                                  help='Number of urls per group considered, default: 20')
      parser_analyze.set_defaults(func=analyze)